Home / 12,743,793.27-19,108,604.03-4,219,479.63

Finding the Fourth Proportional to 12,743,793.27, 19,108,604.03 and 4,219,479.63

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Solution

The fourth proportional to 12,743,793.27, 19,108,604.03 and 4,219,479.63 is: 6,326,873.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,743,793.27 : 19,108,604.03 = 4,219,479.63 : x
  2. Step 2: Convert to fraction form
    12,743,793.27/19,108,604.03 = 4,219,479.63/x
  3. Step 3: Cross multiply
    12,743,793.27x = 19,108,604.03 × 4,219,479.63
  4. Step 4: Simplify right side
    12,743,793.27x = 80,628,365,441,223.50
  5. Step 5: Solve for x
    x = 80,628,365,441,223.50/12,743,793.27
  6. Step 6: Final answer
    x = 6,326,873.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.